The patterns of curved lines on the end of fingers or thumbs that is different in every person, or a mark left by this pattern.
Fingerprints
A sign or some information that helps you to find the answer to a problem, question, or mystery.
A clue
Something that someone says or writes officially, or an action done to express an opinion.
A statement
Proof that someone who is thought to have committed a crime could not have done it, especially the fact or statement that they were in another place at the time it happened.
An alibi
An illegal act.
A crime
To think that someone has committed a crime or done something wrong; a person believed to have committed a crime or done something wrong.
To suspect / a suspect
To see something happen, especially an accident or crime; a person who sees an event happening, especially a crime or an accident.
To witness / a witness
The act or process of examining a crime, problem, statement, etc. carefully, especially to discover the truth.
An investigation
Objects, documents, official statements, etc. that are used to prove something is true or not true, especially for legal or insurance purposes.
Evidence
A small room with not much furniture, especially in a prison or a monastery or convent.
A cell
The crime of illegally entering a building and stealing things.
A burglary
An occasion when someone does not understand something correctly.
A misunderstanding